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Add 1/5 and 21/10

1st number: 1/5, 2nd number: 2 1/10

1/5 + 21/10 is 23/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 10 is 10
  2. For the 1st fraction, since 5 × 2 = 10,
    1/5 = 1 × 2/5 × 2 = 2/10
  3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
    21/10 = 21 × 1/10 × 1 = 21/10
  4. Add the two fractions:
    2/10 + 21/10 = 2 + 21/10 = 23/10
  5. In mixed form: 23/10

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